A 22-year-old man lies in a serious condition in hospital after coming off his bike in as yet unexplained circumstances.

The man was cycling in Maybridge Square, Goring, at 6.45pm on Wednesday evening when he came off his bike.

He remains unconscious in hospital.

Sussex Police is appealing for witnesses but says it is not treating the incident as suspicious.

There do not appear to be any vehicles involved.

Anyone with information or saw what happened is asked to contact collision.appeal@sussex.pnn.police.uk quoting serial 1449 of 7/8.